# include <stdio.h>

const long int MAXN=500000;
struct {long int poz,val;} deq[MAXN+1];
long int front=1,back=1,n,k,sol,psol;

void add(long int a, long int poz)
{
long int i=back;
while (i>=front&&deq[i].val>a) i--;
deq[i+1].val=a;
deq[i+1].poz=poz;
back=i+1;
}

void citire()
{
FILE *f=fopen("secventa.in","r");
fscanf(f,"%ld%ld",&n,&k);
long int i,a;
for (i=1;i<=k-1;i++)
	{
	fscanf(f,"%ld",&a);
	add(a, i);
	}
for (i=k;i<=n;i++)
	{
	fscanf(f,"%ld",&a);
	add(a, i);
	if (deq[front].poz<i-k+1) front++;
	if (deq[front].val>=sol||i==k)
		{
		sol=deq[front].val;
		psol=i-k+1;
		}
	}
}

void scrie()
{
FILE *g=fopen("secventa.out","w");
fprintf(g,"%ld %ld %ld\n",psol,psol+k-1,sol);
fcloseall();
}

int main()
{
citire();
scrie();
return 0;
}